do与does的区别

"Do" 和 "Does" 是英语中的助动词，都用于构成疑问句或否定句，它们的主要区别在于主语的单复数形式。

"Do" 通常用于主语是靠前人称(I)或第二人称(you),或者复数形式的情况下。"Do you like apples?", "I do my homework every day."

"Does" 则只用于第三人称单数主语，"He does his homework every day.", "She does not like apples."

"Do" 是更通用的助动词，而 "Does" 则特指第三人称单数主语。